Ok, so my situation is that I have a rich-client Java app that I want to
run on Windows, Mac, and Linux
The original code for this unfortunately has some horrible
platform-specifisms.
- The code that works out where the user configuration is
- This isn't too hard to do with a conditional block, but I figure we
could just have a different class that does this
- Code that squirts content from the app into an email window
- This uses the COM stuff from Eclipse to automate Outlook, so it's
not available from the SWT packages for other platforms
- Code that accesses the Registry for (legacy) config data
- Since the app hasn't been on non-Windows platforms before, we can
just keep it to the config files for the other platforms
- This won't even compile on non-Windows platforms because of the JNI
bindings
- Code that invokes bits of the Windows HTML help libraries
- Yuk
- Probably the best thing to do here is just replace the help system
with something nice...
Since the advice is to avoid doing conditional logic about what instances
get returned from module bindings, my guess is that the proper practice is
to instead have platform-specific modules and decide which ones to use when
constructing your Injector (e.g. on Mac / Linux, use
GenericEmailLauncherModule and PosixUserEnvironmentModule, on Windows +
Outlook use OutlookEmailLauncherModule and WindowsUserEnvironmentModule, if
Windows doesn't have Outlook installed, fall back to
GenericEmailLauncherModule) . What I didn't see watching the videos or
reading anything I've found so far is the best practise for using modules
without referring to them directly ; I don't want my main build to depend
on the Windows versions of the modules, I just want the Windows module
library to be added to the classpath optionally by a profile in my Maven
build.
Am I just being rather simple - is it just a matter of calling
Class.forName().newInstance() and passing the results?
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